THS7375 Datasheet, PDF (11/36 Pages) Texas Instruments – 4-Channel SDTV Video Amplifier with 6th-Order Filters and 5.6-V/V Gain

THS7375
www.ti.com......................................................................................................................................................................................... SBOS449 – SEPTEMBER 2008
TYPICAL CHARACTERISTICS: V_S+ = 3.3 V
R_L = 150 Ω to GND and dc-coupled input and output, unless otherwise noted.
SMALL-SIGNAL GAIN vs FREQUENCY
20
10
Bypass
Mode
0
R_L = 75 W
-10
Filter Mode
R_L = 150 W
-20
R_L = 150 W
-30
-40
V_S+ = 3.3 V
AC-Coupled Output
-50 ^CL ^{= 10 pF}
V_OUT = 200 mV_PP
-60
100 k
1M
10 M
R_L = 75 W
100 M
1G
Frequency (Hz)
Figure 9.
PHASE vs FREQUENCY
45
0
R_L = 150 W
-45
-90
-135
-180
R_L = 75 W and 150 W
Filter Mode
R_L = 75 W
-225 _{VS+ = 3.3 V}
-270 AC-Coupled Output
-315
C_L = 10 pF
V_OUT = 200 mV_PP
-360
100 k
1M
10 M
Frequency (Hz)
Figure 11.
100 M
Bypass
Mode
1G
GROUP DELAY vs FREQUENCY
130
V_S+ = 3.3 V
120 _{AC-Coupled Output}
110
C_L = 10 pF
V_OUT = 200 mV_PP
Filter Mode
100
R_L = 75 W and 150 W
90
80
70
60
50
100 k
1M
10 M
Frequency (Hz)
Figure 13.
100 M
SMALL-SIGNAL GAIN vs FREQUENCY
15.5
15.0
R_L = 75 W
14.5
14.0
R_L = 75 W and 150 W
13.5
Filter Mode
13.0
Bypass
Mode
12.5
V_S+ = 3.3 V
12.0 AC-Coupled Output
11.5 ^{CL = 10 pF}
V_OUT = 200 mV_PP
11.0
100 k
1M
R_L = 150 W
10 M
100 M
Frequency (Hz)
Figure 10.
GROUP DELAY vs FREQUENCY
7.0
6.5 ^{VS+ = 3.3 V}
AC-Coupled Output
6.0 _{CL = 10 pF}
5.5 ^VOUT ^{= 200 mV}PP
5.0
R_L = 75 W
4.5
Bypass Mode
4.0
3.5
R_L = 150 W
3.0
2.5
2.0
100 k
1M
10 M
100 M
1G
Frequency (Hz)
Figure 12.
LARGE-SIGNAL GAIN vs FREQUENCY
20
10
0
V_S+ = 3.3 V
AC-Coupled Output
Bypass
Mode
-10 ^{Load = 150 W || 10 pF}
-20
V_O = 0.2 V_PP
-30
V_O = 1 V_PP
Filter
-40
V_O = 2 V_PP
Mode
-50
V_O = 2 V_PP
V_O = 0.2 V_PP
-60
100 k
1M
10 M
100 M
1G
Frequency (Hz)
Figure 14.
Copyright © 2008, Texas Instruments Incorporated
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